Use shared defconfig

Change-Id: I1f8ae7bfedf5b69af232be6eba5b15126bf3413c
Add extract-files

Change-Id: Iac54c2634219597cf57fe3a84943071fe653789d
Merge branch 'cm-10.1' of github.com:CyanogenMod/android_device_motorola_spyder into jb2